Nurul Rahmah Dewi, Uhud Darmawan Natsir, Anwar. APPLICATION OF THE CAPITAL ASSET PRICING MODEL (CAPM) METHOD IN DETERMINING EFFICIENT STOCK GROUP (STUDY ON IDX30 AND BUSINESS INDEX-27 IN INDONESIA STOCK EXCHANGE). JEEBM [Internet]. 2023 Jun. 8 [cited 2024 Sep. 19];1(3):223-41. Available from: http://pemudin.com/index.php/JEEBM/article/view/18